Question

X
Exercise 6.2
1. Classify the following sets as finite, infinite and null sets.
(b) X= {x|x + 5 = 5, x € W
(a) X = {x (x + 3 = 1,7 € N}
(c) y = {x|2r< 5, 7 € Z}
(d) Z = {yly=r', n N
() A = {x}x<0,7 € W}
(H) B-tyy2 = 4, y E Z
2. Find the cardinal number of the following sets.
(a) A = {x} x is a consonant in the word VOWEL}
(b) X = {xx-25 = 0,7 € Z}
(C) Y = {vly is a letter of the word EDUCATION}
(d) Z= {x|x is an even factor of 12}
(e) B = {x|x is a one-digit prime number}
3. Let A = {1, 2, 3}, B = {4}, C = {3,4}, D = {1, 2, 4) and E = {1, 2}.​

Answer 1

Answer:

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